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Diffstat (limited to '')
| -rw-r--r-- | pimd/pim_igmpv3.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/pimd/pim_igmpv3.h b/pimd/pim_igmpv3.h new file mode 100644 index 0000000..5041e54 --- /dev/null +++ b/pimd/pim_igmpv3.h @@ -0,0 +1,114 @@ +/* + * PIM for Quagga + * Copyright (C) 2008 Everton da Silva Marques + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; see the file COPYING; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef PIM_IGMPV3_H +#define PIM_IGMPV3_H + +#include <zebra.h> +#include "if.h" + +#include "pim_igmp.h" + +#define IGMP_V3_CHECKSUM_OFFSET (2) +#define IGMP_V3_REPORT_NUMGROUPS_OFFSET (6) +#define IGMP_V3_REPORT_GROUPPRECORD_OFFSET (8) +#define IGMP_V3_NUMSOURCES_OFFSET (10) +#define IGMP_V3_SOURCES_OFFSET (12) + +#define IGMP_GRP_REC_TYPE_MODE_IS_INCLUDE (1) +#define IGMP_GRP_REC_TYPE_MODE_IS_EXCLUDE (2) +#define IGMP_GRP_REC_TYPE_CHANGE_TO_INCLUDE_MODE (3) +#define IGMP_GRP_REC_TYPE_CHANGE_TO_EXCLUDE_MODE (4) +#define IGMP_GRP_REC_TYPE_ALLOW_NEW_SOURCES (5) +#define IGMP_GRP_REC_TYPE_BLOCK_OLD_SOURCES (6) + +/* GMI: Group Membership Interval */ +#define PIM_IGMP_GMI_MSEC(qrv,qqi,qri_dsec) ((qrv) * (1000 * (qqi)) + 100 * (qri_dsec)) + +/* OQPI: Other Querier Present Interval */ +#define PIM_IGMP_OQPI_MSEC(qrv,qqi,qri_dsec) ((qrv) * (1000 * (qqi)) + 100 * ((qri_dsec) >> 1)) + +/* SQI: Startup Query Interval */ +#define PIM_IGMP_SQI(qi) (((qi) < 4) ? 1 : ((qi) >> 2)) + +/* LMQT: Last Member Query Time */ +#define PIM_IGMP_LMQT_MSEC(lmqi_dsec, lmqc) ((lmqc) * (100 * (lmqi_dsec))) + +/* OHPI: Older Host Present Interval */ +#define PIM_IGMP_OHPI_DSEC(qrv,qqi,qri_dsec) ((qrv) * (10 * (qqi)) + (qri_dsec)) + +#if PIM_IPV == 4 +void igmp_group_reset_gmi(struct gm_group *group); +void igmp_source_reset_gmi(struct gm_group *group, struct gm_source *source); + +void igmp_source_free(struct gm_source *source); +void igmp_source_delete(struct gm_source *source); +void igmp_source_delete_expired(struct list *source_list); + +void igmpv3_report_isin(struct gm_sock *igmp, struct in_addr from, + struct in_addr group_addr, int num_sources, + struct in_addr *sources); +void igmpv3_report_isex(struct gm_sock *igmp, struct in_addr from, + struct in_addr group_addr, int num_sources, + struct in_addr *sources, int from_igmp_v2_report); +void igmpv3_report_toin(struct gm_sock *igmp, struct in_addr from, + struct in_addr group_addr, int num_sources, + struct in_addr *sources); +void igmpv3_report_toex(struct gm_sock *igmp, struct in_addr from, + struct in_addr group_addr, int num_sources, + struct in_addr *sources); +void igmpv3_report_allow(struct gm_sock *igmp, struct in_addr from, + struct in_addr group_addr, int num_sources, + struct in_addr *sources); +void igmpv3_report_block(struct gm_sock *igmp, struct in_addr from, + struct in_addr group_addr, int num_sources, + struct in_addr *sources); + +void igmp_group_timer_lower_to_lmqt(struct gm_group *group); +void igmp_source_timer_lower_to_lmqt(struct gm_source *source); + +struct gm_source *igmp_find_source_by_addr(struct gm_group *group, + struct in_addr src_addr); + +void igmp_v3_send_query(struct gm_group *group, int fd, const char *ifname, + char *query_buf, int query_buf_size, int num_sources, + struct in_addr dst_addr, struct in_addr group_addr, + int query_max_response_time_dsec, uint8_t s_flag, + uint8_t querier_robustness_variable, + uint16_t querier_query_interval); + +void igmp_v3_recv_query(struct gm_sock *igmp, const char *from_str, + char *igmp_msg); + +int igmp_v3_recv_report(struct gm_sock *igmp, struct in_addr from, + const char *from_str, char *igmp_msg, int igmp_msg_len); + +#else /* PIM_IPV != 4 */ +static inline void igmp_group_reset_gmi(struct gm_group *group) +{ +} + + +static inline void igmp_source_reset_gmi(struct gm_group *group, + struct gm_source *source) +{ +} +#endif + +#endif /* PIM_IGMPV3_H */ |